I guess d3 (https://github.com/d3/d3/blob/master/API.md https://github.com/d3/d3/blob/master/API.md) can handle most of these things. Others you can check out:

I guess d3 (https://github.com/d3/d3/blob/master/API.md https://github.com/d3/d3/blob/master/API.md) can handle most of these things. Others you can check out: - http://turfjs.org http://turfjs.org - https://two.js.org https://two.js.org - http://paperjs.org http://paperjs.org (especially "PaperScript" which does some magic to allow adding / multiplying etc. vectors if that's what you're after) Also worth noting is that for most "computations" there is a likely a package available on npm